I have been looking forward to the general availability (GA)
release of MySQL 5.5 since is was publically announced in
September that we would see this in 2010. While I already have a
production client with 5.5.7rc, the badge of general availability
is a great way to promote why environments should consider moving
to using MySQL 5.5. Here is my quick short list of why I’d
promote moving to MySQL 5.5.

1. Improved integration

The first significant improvement is that InnoDB is now again
firmly a default included storage engine. The InnoDB plugin 1.1.x
is now the builtin version of the engine, not a plugin version.
Also the 1.1.x version has continued improvements over the 1.0.x
version available as an included but not enabled plugin in
current MySQL 5.1.x versions. Removing the complexity for end
users over the choice of InnoDB and the necessary configuration
changes is a great simplification. The introduction in the InnoDB
plugin …

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